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1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteDirectly buying or constructing a qualifying residential house can complete the reinvestment requirement; a Capital Gains Account Scheme (CGAS) deposit cannot. CGAS is a temporary statutory parking arrangement for the qualifying amount that remains unused when your income-tax return is due. It can preserve the amount considered for relief, provided you later use it for the required residential property within the applicable statutory period.
The correct route depends first on what you sold. A residential-house sale generally falls under Section 54 in the Income Tax Department’s explanatory material. A long-term asset other than a residential house may fall under the legacy Section 54F route or, for tax years governed by the Income-tax Act, 2025, Section 86. This is general information, not personal tax advice; section numbering and transition rules should be checked for the relevant tax year.
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Start with the asset you sold
CGAS is not a separate exemption. It is a mechanism used when the qualifying residential-house investment has not yet been completed by the applicable return-filing deadline. The exemption provision still determines eligibility, the amount that can be relieved, the type of replacement property and the purchase or construction window.
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| Original asset transferred | Potential route described in current guidance | What determines the calculation |
|---|---|---|
| Residential house | Section 54 in Income Tax Department explanatory material | Qualifying long-term capital gain, eligible residential house, timing and taxpayer conditions |
| Long-term asset other than a residential house | Legacy Section 54F material; Section 86 of the Income-tax Act, 2025 for the new Act’s framework | Net consideration, proportion invested in the new residential house, ownership restrictions and timing |
Do not assume that selling any capital asset produces the same result as selling a house. Section 54F’s proportional calculation is based on net consideration rather than simply treating the entire gain as the amount to reinvest. Existing ownership of other residential houses can also affect Section 54F eligibility. The exact tax year matters because departmental pages may retain the older Section 54 and 54F labels while the Income-tax Act, 2025 uses different numbering.
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What CGAS does—and what it does not do
It preserves an unutilised amount for the calculation
If the required residential-house investment has not been made by the applicable return-filing due date, the unutilised qualifying amount may be deposited in CGAS by that due date. The department’s general summary says the deposit must then be used within the timeframe prescribed by the relevant exemption section.
It does not count as the replacement house
A CGAS deposit is only a temporary holding step. It does not itself buy a house, construct one or complete the reinvestment condition. You must still acquire or construct the qualifying residential property within the applicable period and satisfy the other statutory requirements.
It is not a universal capital-gains account
The department’s summary specifically says CGAS deposits are not required for Sections 54EC and 54EE. Whether a deposit is relevant therefore depends on the exemption provision being used; placing money in an account without identifying the governing section does not create relief.
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When you have already purchased a qualifying residential house, or have begun a qualifying construction project that fits the applicable section, that investment may itself satisfy the reinvestment requirement. There is no need to use CGAS for the portion already validly invested. Any remaining amount that is still unutilised by the return-filing deadline may need a timely CGAS deposit if you want it considered under the relevant exemption.
Direct investment still requires more than moving money. The property must be the type required by the section, the taxpayer must meet eligibility conditions, and the purchase or construction must fall within the statutory window. A non-residential property, an investment outside the permitted period or a transaction that breaches ownership restrictions may fail even though the money was spent.
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Side-by-side comparison
| Issue | CGAS deposit | Direct residential-property purchase or construction |
|---|---|---|
| Role | Temporarily parks qualifying unutilised funds | May constitute the required new-asset investment itself |
| Deadline | Deposit by the applicable return-filing due date | Purchase or construction must fit the section’s statutory window; an unused balance may need timely CGAS deposit |
| Later requirement | Use the deposited sum for the qualifying purpose within the applicable period | Meet the relevant residential-house, timing and taxpayer-eligibility conditions |
| If conditions fail | Unutilised amounts may become taxable after the statutory period | Relief may be unavailable or subject to the consequences specified by the governing section |
| Main decision factors | Whether a qualifying property has been selected, the deposit deadline, bank process and ability to use the funds | Original asset, taxpayer status, existing house ownership, amount invested and purchase or construction date |
Section 54 timing for a residential-house sale
For Section 54, the Income Tax Department’s 2026 explanation states that the replacement house may be purchased within one year before the transfer or within two years after it. Construction is allowed within three years after the transfer. These are statutory windows, not optional target dates. Keep documents showing the transfer date, purchase date, construction milestones and amounts paid.
The return-filing deadline is a separate checkpoint. If the qualifying amount has not been used by that date, a CGAS deposit must be made by the applicable due date for the amount to be taken into account. Do not substitute a standard calendar date: the due date varies by tax year and taxpayer circumstances.
Section 54F and Section 86: when the original asset was not a house
Section 54F materials describe relief after transferring a qualifying long-term asset other than a residential house. The calculation is proportional:
Exemption amount = long-term capital gain × amount invested in the new residential house ÷ net consideration.
The formula means the amount invested and the net consideration both matter. Investing only part of the net consideration generally produces a proportionate result rather than automatically sheltering the entire gain. Section 54F also contains eligibility restrictions connected with ownership of other residential houses, so the number and status of houses owned must be checked under the law for the relevant year.
The Income-tax Act, 2025 places the corresponding reinvestment rule for a long-term asset other than a residential house in Section 86. Its text states that “the unutilised amount shall be deposited in a specified bank or institution and utilised as per the scheme notified by the Central Government.” Departmental explanatory pages may still use the legacy Section 54F label. Confirm whether the old or new Act governs the transfer before applying the section number or formula.
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Limits and special Section 54 choices
₹10 crore cap
Income Tax Department guidance published in 2026 describes a ₹10 crore cap for the Section 54 exemption. The cap limits the amount of gain that can receive relief under that provision; it does not turn a CGAS deposit into an unlimited shelter.
One-time two-house option
The same guidance describes a one-time option to invest in two residential houses where the capital gain does not exceed ₹2 crore. This is an election with statutory conditions, not an automatic entitlement for every Section 54 claim. Check whether the option has previously been used and whether the transaction meets the current year’s requirements.
When CGAS is the practical choice
CGAS is most relevant when all of the following are true:
- You have identified the exemption provision that applies to the asset sold.
- You appear to meet the taxpayer and property conditions, but the qualifying purchase or construction is not complete by the return-filing deadline.
- You can deposit the unutilised qualifying amount by the applicable due date.
- You have a realistic plan to use the deposit for the qualifying residential property within the statutory purchase or construction period.
It is a poor substitute for a direct purchase when a suitable qualifying house is already available and the transaction can be completed within the required window. The deposit adds a later-use obligation and does not remove the need to prove eligibility.
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When direct investment is usually clearer
A direct purchase or qualifying construction is usually easier to evaluate when the property, price, ownership structure and timing are already settled. The money has gone into the asset that the exemption provision describes, rather than waiting for a later withdrawal and application. You still need to preserve evidence and verify that the property and dates satisfy the section.
Direct investment is not automatically better if it forces a rushed or unsuitable purchase. A property bought outside the permitted period, a transaction that leaves required consideration uninvested or a purchase that conflicts with Section 54F ownership rules can create a larger tax problem than waiting and using CGAS correctly.
A decision process before the return is filed
- Classify the transferred asset. Record whether it was a residential house or another long-term capital asset. This determines whether the Section 54 or Section 54F/Section 86 framework is relevant.
- Identify the governing tax year and Act. Check whether the transfer is governed by the legacy provisions or the Income-tax Act, 2025, including any transition rule. Do not rely on a section number alone.
- Calculate the relevant base. For Section 54, determine the qualifying gain and apply the current cap and any elected two-house rule. For Section 54F, determine net consideration and apply the proportional formula.
- Check property and ownership conditions. Confirm that the replacement is a qualifying residential house and review any restrictions on ownership of other houses.
- Map the statutory dates. For Section 54, compare the transfer date with the one-year-before/two-year-after purchase window and the three-year construction window. Verify the corresponding dates for the applicable Section 54F or Section 86 rule.
- Measure what was actually used by the filing deadline. Amounts already validly invested are treated differently from amounts still held in cash or elsewhere.
- Deposit only the eligible unutilised amount if required. If CGAS applies, complete the deposit by the actual return-filing due date for that taxpayer and year. Retain the bank documentation and the calculation supporting the amount.
- Track later use. Apply the deposited funds only to the qualifying purpose and monitor the statutory expiry date. A deposit without subsequent qualifying use does not preserve relief indefinitely.
What happens if the deposited money is never used
If the CGAS amount is not used for the qualifying purchase or construction within the relevant statutory period, the unutilised amount is generally brought into capital-gains taxation when that period expires. The exact reporting and tax-year treatment should be checked under the governing section and year. The practical point is that a deposit delays the reinvestment decision; it does not erase the tax obligation if the required property investment never occurs.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Documents and controls that reduce avoidable errors
- Transfer agreement, sale deed and evidence of the transfer date.
- Computation showing the capital gain or, where applicable, net consideration and the Section 54F proportion.
- Purchase agreement, payment records and registration evidence for a replacement house.
- Construction contracts, invoices and payment records where construction is used.
- Proof of the CGAS deposit date and amount, where a deposit is required.
- A calendar showing the return-filing due date and the final purchase or construction deadline.
- A written record of any Section 54 two-house election and whether the one-time option has been used before.
Common mistakes to avoid
Choosing the account before choosing the section
CGAS is not a general-purpose shelter for every capital gain. Classify the asset and provision first.
Treating the return deadline as the property deadline
The filing deadline determines when an unutilised amount may need to be deposited. The purchase or construction window continues under the relevant section, but the deposit must later be used within that statutory period.
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Assuming any property qualifies
The rules concern a qualifying residential house. A commercial unit, plot-only investment or transaction that does not meet the section’s conditions should not be treated as equivalent without verification.
Applying Section 54 to a non-house sale
A long-term asset other than a residential house may be governed by Section 54F or Section 86, with a net-consideration-based calculation and different eligibility analysis.
Using an old section number without checking the tax year
The Income-tax Act, 2025 and legacy departmental explanations do not use identical numbering. Confirm the applicable statute and transition rules before filing.
Waiting until the final day without checking bank capability
The legal deadline and a bank’s processing requirements are separate practical issues. Confirm current procedures with the chosen bank well before the due date. Detailed account types, withdrawal forms, interest treatment and bank processes are scheme- and institution-specific and should not be assumed.
How to choose between the two routes
Choose direct investment when a qualifying house is available, the transaction fits the statutory window and you are comfortable meeting the ownership and documentation conditions. Choose CGAS only for the genuinely unutilised portion when the exemption applies, the filing deadline is approaching and you have a credible plan to complete the qualifying investment later.
If the original asset, tax year, gain amount, existing house ownership or proposed property is unusual, obtain advice from an Indian chartered accountant or other qualified tax professional before filing. Those facts can change both the available provision and the amount at risk.
Bottom line
Buying or constructing the qualifying residential house is the substantive reinvestment. CGAS is a time-limited bridge for money not yet used by the return-filing deadline. Identify the asset sold, apply the correct Section 54, Section 54F or Section 86 framework, deposit only when that framework requires it, and use the deposited amount within the statutory period.
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